{
  "field": {
    "start": "2026-08-14T21:00:00.000Z",
    "end": "2026-08-14T21:04:00.000Z",
    "alignment": "Shared authored UTC; no hardware synchronization measured",
    "uncertainty": "unknown"
  },
  "comparison": {
    "model": "offset_ns = 120 + 0.5 * second",
    "rawDeviceTime": "UTC plus the declared offset; nanoseconds retained as a separate exact field to avoid millisecond rounding",
    "appliedCorrection": false
  },
  "aircraft": {
    "timeBase": "independent-relative",
    "alignment": "unknown",
    "frameTransform": "unknown",
    "gap": [
      100,
      120
    ],
    "association": "not_evaluated"
  },
  "scope": "Model review only. No measured stability or physical confidence bound."
}